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INVENTORIES (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
INVENTORIES [Abstract]    
Raw materials $ 583 $ 510
Work in process 360 701
Finished products 5,793 [1] 5,379 [1]
Inventories 6,736 6,590
Inventory delivered to customers but not recognized in revenue $ 4,977 $ 4,680
[1] Includes amounts of $ 4,977 and $ 4,680 for 2012 and 2011, respectively, with respect to inventory delivered to customers but for which revenue criteria have not been met yet.